Fan device



A rotary device to be installed in roofs of several buildings forattaining synchronized ventilation.

FIG. 1 is a top perspective view of the fan device;

FIG. 2 is a side view of the fan device, the opposite side being amirror image of that shown;

FIG. 3 is a top view of the fan device;

FIG. 4 is a bottom view of the fan device; and,

FIG. 5 is a front view of the fan device.

The ornamental design for a fan device, as shown and described.